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This is manufactured by National Semiconductor. The manufacturer part number is DM54LS21J/883. The product consists of 4 inputs. It is assigned with possible HTSUS value of 8542.39.0001. The product is rohs non-compliant. It has a maximum quiescent current of 4.4 ma. The product has -55°c ~ 125°c operating temperature range. Moreover, the product comes in 14-cdip (0.300", 7.62mm). Product with 0.7v input logic level - low. Features input logic level - high of 2v. In addition, it is vendor undefined. The maximum propagation delay at given voltage includes 18ns @ 5v, 50pf. It is shipped in bulk package . Its typical moisture sensitivity level is 3 (168 hours). It integrates 2 circuits. The product is available in through hole configuration. The product is a and gate logic type. 14-cerdip is the supplier device package value. It has optimum voltage supply of 4.5v ~ 5.5v. The high and low output current of the product is 400µa, 4ma. Moreover, it corresponds to 54ls21, a base product number of the product. The product is designated with the ear99 code number.
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